桶孔覆墊

桶孔覆墊英語:)是擔子菌門真菌的細胞中的一種顯微結構,其形狀就像一對括號,位於桶孔隔膜的兩端。桶孔隔膜在菌絲里將細胞分開。桶孔覆墊的功能還未知,其組成部分也並不完全清楚。但其外形的多樣性對於區分不同的真菌種類十分重要。此外,有研究顯示當菌絲發生損傷時,桶孔隔膜會迅速被堵塞,以避免鄰近細胞的細胞質外流,用於堵塞孔洞的物質成分仍然不明,有桶孔覆墊內質網等多種說法[1]

部分擔子菌門真菌的菌絲,桶孔隔膜(2)被桶孔覆墊(1)所環繞,而桶孔隔膜中有小孔,可使細胞質在前後兩細胞間流動

参考文献

  1. Paul Markham. 98 (10). Mycological Research: 1089-1106. 1994. doi:10.1016/S0953-7562(09)80195-0.
  • Müller W. H. et al., Structural differences between two types of basidiomycete septal pore caps, Microbiology 1998 Jul; 144 (Pt 7):1721-30.
  • Sneh, B, et al., Rhizoctonia Species: Taxonomy, Molecular Biology, Ecology, Pathology and Disease Control. Springer, 1996.
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